Evidence for the decay sigma+ --> pmu+ mu-.
Park HK, Burnstein RA, Chakravorty A, Chen YC, Choong WS, Clark K, Dukes EC, Durandet C, Felix J, Fu Y, Gidal G, Gustafson HR, Holmstrom T, Huang M, James C, Jenkins CM, Jones T, Kaplan DM, Lederman LM, Leros N, Longo MJ, Lopez F, Lu LC, Luebke W, Luk KB, Nelson KS, Perroud JP, Rajaram D, Rubin HA, Volk J, White CG, White SL, Zyla P; HyperCP Collaboration.
Park HK, et al. Among authors: gustafson hr.
Phys Rev Lett. 2005 Jan 21;94(2):021801. doi: 10.1103/PhysRevLett.94.021801. Epub 2005 Jan 18.
Phys Rev Lett. 2005.
PMID: 15698162